42809：（不带时区的时间戳，不带时区的时间戳）是一个过程 POSITION：15

Question

C# 应用程序 项目实体框架4.7.2 Npgsql 版本 7.0.1

C# 代码调用了一个具有 2 个输入参数并期望 3 个输出参数的过程，当代码执行时，失败并显示 42809：red.common$getreinsurers(timestamp without time zone, timestamp without time zone) is a procedure.

DataSet ds = new DataSet();
cmd.CommandText = "SELECT * FROM red.common$getreinsurers(@p_fromdate,@p_todate)";
cmd.CommandType = CommandType.StoredProcedure;
                    DateTime dateTime = DateTime.Now;
                    cmd.Parameters.AddWithValue("@p_fromdate", NpgsqlDbType.Timestamp, dateTime);
                    cmd.Parameters.AddWithValue("@p_todate", NpgsqlDbType.Timestamp, dateTime);
                    cmd.Parameters.AddWithValue("p_refcursorreinsurers", NpgsqlDbType.Refcursor);
                    cmd.Parameters[2].Direction = ParameterDirection.Output;
                    cmd.Parameters.AddWithValue("p_sqlcode", NpgsqlDbType.Double);
                    cmd.Parameters[3].Direction = ParameterDirection.Output;
                    cmd.Parameters.AddWithValue("p_sqlerrm", NpgsqlDbType.Text);
                    cmd.Parameters[4].Direction = ParameterDirection.Output;

                    NpgsqlDataAdapter da = new NpgsqlDataAdapter(cmd);
                    da.Fill(ds);
}

架构

CREATE OR REPLACE PROCEDURE red.common$getreinsurers(IN p_fromdate timestamp without time zone, IN p_todate timestamp without time zone, OUT p_refcursorreinsurers refcursor, 
AS 
$BODY$timestamp without time zone, IN p_todate timestamp without time zone, OUT p_refcursorreinsurers refcursor, 
DECLARE
    p_refCursorReinsurers$ATTRIBUTES aws_oracle_data.TCursorAttributes;
BEGIN
    p_refCursorReinsurers := NULL;
    OPEN p_refCursorReinsurers FOR
    SELECT DISTINCT
        r.*, tg.name AS tg_name, tg.id AS treaty_group_id, tg.start_date AS tg_start_date, tg.minimum_incident_date AS tg_minimum_incident_date, tg.maximum_incident_date AS tg_maximum_incident_date, tgr.percentage_repayment, tgr.effective_from_date, tgr.effective_to_date
        FROM red.treaty_groups AS tg, red.treaty_group_reinsurers AS tgr, red.reinsurers AS r
        WHERE tg.id = tgr.treaty_group_id AND tgr.reinsurers_id = r.id AND tgr.effective_from_date <= p_fromdate AND tgr.effective_to_date >= p_todate;
    p_refCursorReinsurers$ATTRIBUTES := ROW (TRUE, 0, NULL, NULL);
    p_sqlcode := '';
    p_sqlerrm := '';
END;
$BODY$

Answer 1

1. DateTime 使用时区，没有时区则需要使用 DateTime.UtcNow。
2. 或者在该过程中，如果需要时区，请将输入参数更改为带时区的时间戳而不是不带时区的时间戳（在本例中保存日期时间）